From: Paul Jackson <pj@sgi.com>
To: linux-ia64@vger.kernel.org
Subject: Re: Who's doing what with cpu/memory/node hotplug?
Date: Thu, 13 May 2004 04:59:43 +0000 [thread overview]
Message-ID: <20040512215943.4c99cefc.pj@sgi.com> (raw)
In-Reply-To: <20040512205107.16bb82a6.pj@sgi.com>
> Iam not sure what specifically you are looking for ...
I was looking for the short and sweet overview such as you just
presented ;). Thanks.
I need to start following this hotplug work because it is next door to
the cpu/memory placement work that I am most focused on, such as
cpusets, led by Simon Derr of Bull, sitting on top of sched_setaffinity
and Andi Kleen's numa work. A cpuset is a set of cpu and memory
resources that several tasks share, perhaps exclusively (all other
tasks kept out).
At some point, questions such as "what happens when a node is unplugged
from a cpuset" will need to be answered. And even earlier, "what happens
when a cpu is unplugged that was in a tasks cpus_allowed, or a memory
node unplugged, that was in a vma's list of allowed memory zones."
Or perhaps the answers to these questions are already known ??
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.650.933.1373
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next prev parent reply other threads:[~2004-05-13 4:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-13 3:51 Who's doing what with cpu/memory/node hotplug? Paul Jackson
2004-05-13 4:23 ` Dave Hansen
2004-05-13 4:44 ` Ashok Raj
2004-05-13 4:59 ` Paul Jackson [this message]
2004-05-13 6:35 ` Keiichiro Tokunaga
2004-05-13 6:50 ` Dave Hansen
2004-05-13 7:18 ` Paul Jackson
2004-05-13 14:00 ` Jack Steiner
2004-05-13 16:01 ` Dave Hansen
2004-05-13 16:33 ` Jack Steiner
2004-05-14 1:14 ` Keiichiro Tokunaga
2004-05-14 13:49 ` Russ Anderson
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